DS1805 データシートの表示（PDF） - Maxim Integrated
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DS1805 Datasheet PDF : 10 Pages
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Addressable Digital Potentiometer
ANALOG RESISTOR CHARACTERISTICS
(VCC = 2.7V to 5.5V, TA = -40°C to +85°C)
PARAMETER
SYMBOL
End-to-End Resistor Tolerance
(Note 6)
Absolute Linearity
(Note 7)
Relative Linearity
(Note 8)
-3dB Cutoff Frequency
fCUTOFF (Note 9)
Ratiometric Temperature Coefficient
End-to-End Temperature Coefficient
Capacitance
CI
CONDITIONS
MIN
-20
-0.75
-0.3
TYP
8
550
MAX
+20
+0.75
+0.3
5
UNITS
%
LSB
LSB
Hz
ppm/°C
ppm/°C
pF
AC ELECTRICAL CHARACTERISTICS
(VCC = 2.7V to 5.5V, TA = -40°C to +85°C)
PARAMETER
SCL Clock Frequency (Note 10)
Bus Free Time Between STOP
and START Condition (Note 10)
Hold Time (Repeated) START
Condition (Notes 10, 11)
Low Period of SCL Clock
(Note 10)
High Period of SCL Clock
(Note 10)
Data Hold Time
(Notes 10, 12, 13)
Data Setup Time
(Note 10)
Rise Time of Both SDA and SCL
Signals (Notes 10, 14)
Fall Time of Both SDA and SCL
Signals (Notes 10, 14)
Setup Time for STOP Condition
(Note 10)
Capacitive Load for Each Bus
Line (Note 14)
SYMBOL
fSCL
tBUF
tHD:STA
tLOW
tHIGH
tHD:DAT
tSU:DAT
tR
tF
tSU:STO
CONDITIONS
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
CB
MIN
TYP
0
0
1.3
4.7
0.6
4.0
1.3
4.7
0.6
4.0
0
0
100
250
20 + 0.1CB
20 + 0.1CB
20 + 0.1CB
20 + 0.1CB
0.6
4.0
MAX
400
100
0.9
0.9
300
1000
300
300
400
UNITS
kHz
µs
µs
µs
µs
µs
ns
ns
ns
µs
pF
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